Car engine repair VAZ-2104

This section contains articles on the removal, disassembly, repair and assembly of the engine of the VAZ-2104 Zhiguli (station wagon) and their modifications.

Description of engine design
Carburetor engine: 1 - crankshaft pulley; 2 - generator; 3 - coolant pump; 4 - thermostat; 5 - carburetor; 6 - air intake; 7 - thermostat; 8 - air filter housing; 9 - oil filler...

Engine Oil — Checking Level and Replacing
The oil level should be checked with the engine off, at least 5 minutes after it has been stopped, and with the vehicle on a horizontal surface. Checking the level 1. Prepare the...

Cylinder Head Cover Gasket — Replacement
We replace the cylinder head cover gasket if there are oil leaks. Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Ha...

Gas distribution mechanism drive chain-tension adjustment
A characteristic sign of insufficient chain tension is a rattling ringing sound that appears with a sharp increase and subsequent decrease in crankshaft speed. Due to wear of the...

Gas distribution mechanism drive chain-replacement
The work on replacing the chain on a carburetor and injection engine is performed almost identically. On an injection engine, it is necessary to disconnect the wiring block from...

Timing Chain Tensioner — Replacement
The tensioner is installed on the right, in the front part of the cylinder block next to the coolant pump. Removal 1. Prepare the vehicle for operations (see " Preparing a car for...

Timing Chain Tensioner — Replacement
The damper is installed on the left in the front part of the cylinder head. We demonstrate the operation using a carburetor engine as an example. Removal 1. Prepare the vehicle...

Camshaft and valve levers — replacement
The work is shown on the example of a carburetor engine. On an injection engine the work is performed similarly. To complete the work you will need a torque wrench. Removal 1....

Clearance between valve levers and camshaft cams — adjustment
The gaps are adjusted on a cold engine. For adjustment, it is recommended to use a kit consisting of a wide feeler gauge and two open-end wrenches: on 13 and 17 mm . The work is...

Valve timing oil seals — replacement
We replace the valve stem seals when blue smoke appears from the exhaust pipe, especially when braking with the engine. For work you will need valve spring compressor, inertial...

Oil Pressure Sensor — Replacement
The sensor is installed in the cylinder block on the left side. Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Disconnect...

Engine oil pan — removal and installation
We remove the oil pan to replace the gasket, oil pump or crankshaft. To complete the work you will need torque wrench. Removal 1. Place the vehicle on an inspection pit or...

Oil Pump Drive Gear — Replacement
The oil pump drive gear is located in the process hole of the cylinder block under the ignition distributor (carburetor engine) and a plug (injection engine). We demonstrate the...

Auxiliary Drive Shaft — Replacement
The drive shaft is installed in a hole made in the front part of the cylinder block. Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and...

Front Crankshaft Oil Seal — Replacement
We replace the oil seal if we detect oil contamination of the front part of the engine due to oil splashing from the crankshaft pulley. Removal 1. Place the vehicle on an...

Carburetor Engine Intake Manifold and Exhaust Manifold Gaskets — Replacement
Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and repair "). 2. Drain the coolant (see " Coolant - Checking Level and...

Carburetor Engine Cylinder Head Gasket — Replacement
We remove the cylinder head without disconnecting the carburetor, intake manifold and exhaust manifold from it. To complete the work you will need a torque wrench. Removal 1....

Cylinder head gasket for injection engine — replacement
We remove the cylinder head without disconnecting the receiver, intake manifold and exhaust manifold. To complete the work you will need a torque wrench. Removal 1. Place the...

Receiver — removal and installation
We remove the receiver to replace it or replace the gaskets, dismantle the intake manifold and exhaust manifold, and also to access the fuel rail. To complete the work you will...

Intake manifold and exhaust manifold gasket for injection engine — replacement
Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and repair "). 2. For ease of work, remove the battery (see " Battery -...

Oil pump — replacement
We replace the oil pump if the oil pressure in the engine is insufficient or excessive when idling. Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing...

Crankcase ventilation oil separator — removal and installation
Removal 1. Prepare the vehicle for operations (see " Preparing a car for maintenance and repair "). 2. Remove the oil level indicator from the guide tube (see " Engine Oil -...

Powertrain Mounts — Replacement
Removal the front supports 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and repair "). 2. Remove the mudguards (see " Mudguard -...

Engine — removal and installation
There are two options for removing the engine: with disassembly and without disassembly. Removing the engine with disassembly is recommended in the absence of mechanical or...

Flywheel — removal and installation
We remove the flywheel for its replacement, as well as when replacing the rear crankshaft oil seal and disassembling the engine. Removal 1. Place the vehicle on an inspection pit...

Rear Crankshaft Oil Seal — Replacement
Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and repair "). 2. Remove the flywheel (see above, " Flywheel - removal and...

Crankshaft — removal and installation
We remove the crankshaft to replace it or replace the liners. Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a car for maintenance and repair ")....

Pistons — replacement
To perform the work, you will need mandrels for removing the piston pin and compressing the rings. Removal 1. Place the vehicle on an inspection pit or overpass (see " Preparing a...

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More articles from other manuals on VAZ cars:
➠ Power unit: Engine repair VAZ-2107 (1982-2012)
➠ Power unit: Engine repair VAZ-2101 (1970-1983)
➠ Power unit: Engine repair VAZ-2112 (1999-2007)
➠ Electrical equipment: Engine electrics VAZ-21061 (1976-2006)
➠ Power unit: Engine repair VAZ-2108 (1984-2003)

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